openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

dmaengine: ppc4xx: remove DRIVER_ATTR() usage 

It's better to be explicit and use the DRIVER_ATTR_RW() and
DRIVER_ATTR_RO() macros when defining a driver's sysfs file.

Bonus is this fixes up a checkpatch.pl warning.

This is part of a series to drop DRIVER_ATTR() from the tree entirely.

Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Greg Kroah-Hartman 2017-07-19 14:56:28 +02:00 committed by Vinod Koul
parent 5771a8c088
commit 13efe1a053
1 changed files with 10 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/dma/ppc4xx/adma.c
View File

@ -4307,7 +4307,7 @@ static int ppc440spe_adma_remove(struct platform_device *ofdev)
* "poly" allows setting/checking used polynomial (for PPC440SPe only). * "poly" allows setting/checking used polynomial (for PPC440SPe only).
*/ */
static ssize_t show_ppc440spe_devices(struct device_driver *dev, char *buf) static ssize_t devices_show(struct device_driver *dev, char *buf)
{ {
ssize_t size = 0; ssize_t size = 0;
int i; int i;
@ -4321,16 +4321,17 @@ static ssize_t show_ppc440spe_devices(struct device_driver *dev, char *buf)
} }
return size; return size;
} }
static DRIVER_ATTR_RO(devices);
static ssize_t show_ppc440spe_r6enable(struct device_driver *dev, char *buf) static ssize_t enable_show(struct device_driver *dev, char *buf)
{ {
return snprintf(buf, PAGE_SIZE, return snprintf(buf, PAGE_SIZE,
"PPC440SP(e) RAID-6 capabilities are %sABLED.\n", "PPC440SP(e) RAID-6 capabilities are %sABLED.\n",
ppc440spe_r6_enabled ? "EN" : "DIS"); ppc440spe_r6_enabled ? "EN" : "DIS");
} }
static ssize_t store_ppc440spe_r6enable(struct device_driver *dev, static ssize_t enable_store(struct device_driver *dev, const char *buf,
const char *buf, size_t count) size_t count)
{ {
unsigned long val; unsigned long val;
@ -4357,8 +4358,9 @@ static ssize_t store_ppc440spe_r6enable(struct device_driver *dev,
} }
return count; return count;
} }
static DRIVER_ATTR_RW(enable);
static ssize_t show_ppc440spe_r6poly(struct device_driver *dev, char *buf) static ssize_t poly_store(struct device_driver *dev, char *buf)
{ {
ssize_t size = 0; ssize_t size = 0;
u32 reg; u32 reg;
@ -4377,8 +4379,8 @@ static ssize_t show_ppc440spe_r6poly(struct device_driver *dev, char *buf)
return size; return size;
} }
static ssize_t store_ppc440spe_r6poly(struct device_driver *dev, static ssize_t poly_store(struct device_driver *dev, const char *buf,
const char *buf, size_t count) size_t count)
{ {
unsigned long reg, val; unsigned long reg, val;
@ -4404,12 +4406,7 @@ static ssize_t store_ppc440spe_r6poly(struct device_driver *dev,
return count; return count;
} }
static DRIVER_ATTR_RW(poly);
static DRIVER_ATTR(devices, S_IRUGO, show_ppc440spe_devices, NULL);
static DRIVER_ATTR(enable, S_IRUGO | S_IWUSR, show_ppc440spe_r6enable,
store_ppc440spe_r6enable);
static DRIVER_ATTR(poly, S_IRUGO | S_IWUSR, show_ppc440spe_r6poly,
store_ppc440spe_r6poly);
/* /*
* Common initialisation for RAID engines; allocate memory for * Common initialisation for RAID engines; allocate memory for